Technical SysOps blog, where topics include Sysadmin, DevOps, computers, servers, web, MySQL, database, virtualization, optimization and security
Technical SysOps blog, where topics include Sysadmin, DevOps, computers, servers, web, MySQL, database, virtualization, optimization and security
Sometimes it's important to remove (or hide) the file extension of scripts you use. Security by obscurity might be that reason, if you don't want others to know what script language you are using for your website, or for static site hosts.
Investigate SMTP authentication issues like a boss! When using TLS encrypted SMTP connections, it's always handy if you are able to create a SMTP logon credentials and test SMTP authentication over a TLS/StartTLS connection. Preferably from your command-prompt.
Gzip compression conflicts with IIS Outbound Rules resulting in HTTP 500.52 URL Rewrite Module Error. Here is how to resolve this.
MySQL’s mysqlcheck is a command line table maintenance program: it checks, repairs, optimizes, or analyzes tables. Very handy for automated performance optimizations of MySQL databases and tables.
On IIS, Contact Form 7 captcha has one HUGE disadvantage: temporary captcha files placed in wp-content/uploads/wpcf7_captcha, are not automatically removed. Here is how to remove Contact Form 7 temporary captcha files on IIS…
Change file attributes with PHP chmod to make files read-only or normally accessible on Windows Server IIS.
Configure Umbraco for SQLServer sessionState storage and prepare Umbraco for high performance web garden or web farm, and load balancing environments. This post explains it all.
The Forfiles command on Windows selects and executes a command on a file or set of files. Forfiles is ideal for batch processing through scripts, for instance on Windows Server systems. With Forfiles, you can run a command on or pass arguments to multiple files. For example, you could run the type or del command on all files in a tree with the .txt extension.
The less spammers hit your WordPress blog, the better your blog performs, is one of my opinions. A second is, the less unnecessary plugins you use on your WordPress blog, the better. So, a little while ago I decided to remove plugins like Stop Spammer Registration Plugin and do its work myself.
Use IIS Outbound Rules and URL Rewrite Module to create a custom created Content Delivery Network (CDN) for static content ofloading and speed-up your website.
/bash/grep and /bash/rm give me an error Argument list too long. Here is how to overcome this error with Bash grep and rm.
Learn how to fix your PHP config instead of turning off CURLOPT_SSL_VERIFYPEER in php.ini and overcome certificate validation errors with cURL and PHP.
![[HttpException (0x80004005): The length of the URL for this request exceeds the configured maxUrlLength value.]](https://cdn.saotn.org/wp-content/uploads/2025/06/Length_of_URL_for_request_exceeds_maxUrlLength_value-11-150x150.png)
